{"id":"https://openalex.org/W2083534051","doi":"https://doi.org/10.1145/2806416.2806539","title":"Inclusion Dependencies Reloaded","display_name":"Inclusion Dependencies Reloaded","publication_year":2015,"publication_date":"2015-10-17","ids":{"openalex":"https://openalex.org/W2083534051","doi":"https://doi.org/10.1145/2806416.2806539","mag":"2083534051"},"language":"en","primary_location":{"id":"doi:10.1145/2806416.2806539","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2806416.2806539","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 24th ACM International on Conference on Information and Knowledge Management","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5010236208","display_name":"Henning K\u00f6hler","orcid":null},"institutions":[{"id":"https://openalex.org/I51158804","display_name":"Massey University","ror":"https://ror.org/052czxv31","country_code":"NZ","type":"education","lineage":["https://openalex.org/I51158804"]}],"countries":["NZ"],"is_corresponding":true,"raw_author_name":"Henning K\u00f6hler","raw_affiliation_strings":["Massey University, Palmerston North, New Zealand"],"affiliations":[{"raw_affiliation_string":"Massey University, Palmerston North, New Zealand","institution_ids":["https://openalex.org/I51158804"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5069839542","display_name":"Sebastian Link","orcid":"https://orcid.org/0000-0002-1816-2863"},"institutions":[{"id":"https://openalex.org/I154130895","display_name":"University of Auckland","ror":"https://ror.org/03b94tp07","country_code":"NZ","type":"education","lineage":["https://openalex.org/I154130895"]}],"countries":["NZ"],"is_corresponding":false,"raw_author_name":"Sebastian Link","raw_affiliation_strings":["The University of Auckland, Auckland, New Zealand","The University of Auckland, Auckland, New Zealand ,"],"affiliations":[{"raw_affiliation_string":"The University of Auckland, Auckland, New Zealand","institution_ids":["https://openalex.org/I154130895"]},{"raw_affiliation_string":"The University of Auckland, Auckland, New Zealand ,","institution_ids":["https://openalex.org/I154130895"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5010236208"],"corresponding_institution_ids":["https://openalex.org/I51158804"],"apc_list":null,"apc_paid":null,"fwci":3.9938,"has_fulltext":false,"cited_by_count":22,"citation_normalized_percentile":{"value":0.94258579,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":99},"biblio":{"volume":null,"issue":null,"first_page":"1361","last_page":"1370"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10317","display_name":"Advanced Database Systems and Queries","score":0.9994999766349792,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T11719","display_name":"Data Quality and Management","score":0.9991000294685364,"subfield":{"id":"https://openalex.org/subfields/1803","display_name":"Management Science and Operations Research"},"field":{"id":"https://openalex.org/fields/18","display_name":"Decision Sciences"},"domain":{"id":"https://openalex.org/domains/2","display_name":"Social Sciences"}},{"id":"https://openalex.org/T10215","display_name":"Semantic Web and Ontologies","score":0.9988999962806702,"subfield":{"id":"https://openalex.org/subfields/1702","display_name":"Artificial Intelligence"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7398053407669067},{"id":"https://openalex.org/keywords/sql","display_name":"SQL","score":0.6816148161888123},{"id":"https://openalex.org/keywords/datalog","display_name":"Datalog","score":0.5393775105476379},{"id":"https://openalex.org/keywords/programming-language","display_name":"Programming language","score":0.5294028520584106},{"id":"https://openalex.org/keywords/data-integrity","display_name":"Data integrity","score":0.49020057916641235},{"id":"https://openalex.org/keywords/theoretical-computer-science","display_name":"Theoretical computer science","score":0.4547911286354065},{"id":"https://openalex.org/keywords/null","display_name":"Null (SQL)","score":0.45010751485824585},{"id":"https://openalex.org/keywords/semantics","display_name":"Semantics (computer science)","score":0.43371933698654175},{"id":"https://openalex.org/keywords/database","display_name":"Database","score":0.286406010389328}],"concepts":[{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7398053407669067},{"id":"https://openalex.org/C510870499","wikidata":"https://www.wikidata.org/wiki/Q47607","display_name":"SQL","level":2,"score":0.6816148161888123},{"id":"https://openalex.org/C148230440","wikidata":"https://www.wikidata.org/wiki/Q1172264","display_name":"Datalog","level":2,"score":0.5393775105476379},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.5294028520584106},{"id":"https://openalex.org/C33762810","wikidata":"https://www.wikidata.org/wiki/Q461671","display_name":"Data integrity","level":2,"score":0.49020057916641235},{"id":"https://openalex.org/C80444323","wikidata":"https://www.wikidata.org/wiki/Q2878974","display_name":"Theoretical computer science","level":1,"score":0.4547911286354065},{"id":"https://openalex.org/C203763787","wikidata":"https://www.wikidata.org/wiki/Q371029","display_name":"Null (SQL)","level":2,"score":0.45010751485824585},{"id":"https://openalex.org/C184337299","wikidata":"https://www.wikidata.org/wiki/Q1437428","display_name":"Semantics (computer science)","level":2,"score":0.43371933698654175},{"id":"https://openalex.org/C77088390","wikidata":"https://www.wikidata.org/wiki/Q8513","display_name":"Database","level":1,"score":0.286406010389328}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1145/2806416.2806539","is_oa":false,"landing_page_url":"https://doi.org/10.1145/2806416.2806539","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the 24th ACM International on Conference on Information and Knowledge Management","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[{"score":0.49000000953674316,"display_name":"Reduced inequalities","id":"https://metadata.un.org/sdg/10"}],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":44,"referenced_works":["https://openalex.org/W30578984","https://openalex.org/W66819624","https://openalex.org/W565490602","https://openalex.org/W1515520450","https://openalex.org/W1549008998","https://openalex.org/W1650849407","https://openalex.org/W1819449330","https://openalex.org/W1970782121","https://openalex.org/W1975125888","https://openalex.org/W1982556167","https://openalex.org/W1989650131","https://openalex.org/W1991886071","https://openalex.org/W1994193726","https://openalex.org/W2005032394","https://openalex.org/W2005735417","https://openalex.org/W2042412119","https://openalex.org/W2043117781","https://openalex.org/W2045566234","https://openalex.org/W2050480346","https://openalex.org/W2057773300","https://openalex.org/W2065652560","https://openalex.org/W2067494918","https://openalex.org/W2081999619","https://openalex.org/W2082563279","https://openalex.org/W2084302451","https://openalex.org/W2088916770","https://openalex.org/W2091243508","https://openalex.org/W2106806914","https://openalex.org/W2112129552","https://openalex.org/W2125552274","https://openalex.org/W2144192824","https://openalex.org/W2145459259","https://openalex.org/W2165467455","https://openalex.org/W2171204442","https://openalex.org/W2185907055","https://openalex.org/W2249542348","https://openalex.org/W2394595640","https://openalex.org/W2401643088","https://openalex.org/W2408550856","https://openalex.org/W2503170995","https://openalex.org/W2912039080","https://openalex.org/W2945526390","https://openalex.org/W3138538843","https://openalex.org/W6758387736"],"related_works":["https://openalex.org/W2382973082","https://openalex.org/W4312632526","https://openalex.org/W1998043846","https://openalex.org/W2003031781","https://openalex.org/W1572500097","https://openalex.org/W1563917596","https://openalex.org/W2086783690","https://openalex.org/W2389720334","https://openalex.org/W2118190202","https://openalex.org/W2155838697"],"abstract_inverted_index":{"Inclusion":[0],"dependencies":[1,40,83,158,181],"form":[2],"one":[3],"of":[4,9,38,48,57,64,155,213,221],"the":[5,35,46,50,60,76,110,132,152,175,183,210,218],"most":[6],"fundamental":[7],"classes":[8],"integrity":[10],"constraints.":[11],"Their":[12],"importance":[13],"in":[14,45,66,139,182],"classical":[15,107],"data":[16,25,58],"management":[17],"is":[18,95,121,135,190,225],"reinforced":[19],"by":[20,75,99,124,150],"modern":[21],"applications":[22],"such":[23],"as":[24,166,179],"cleaning":[26],"and":[27,31,84,90,163,169,193,217],"profiling,":[28],"entity":[29],"resolution":[30],"schema":[32],"matching.":[33],"Surprisingly,":[34],"implication":[36,111,133,172,189],"problem":[37,112,134,173],"inclusion":[39,82,157,180],"has":[41,174],"not":[42,96,136],"been":[43],"investigated":[44],"context":[47],"SQL,":[49],"de-facto":[51],"industry":[52],"standard.":[53],"Codd's":[54],"relational":[55,184],"model":[56],"represents":[59],"idealized":[61],"special":[62,167],"case":[63],"SQL":[65,77,101,126],"which":[67],"all":[68],"attributes":[69],"are":[70],"declared":[71],"NOT":[72,85],"NULL.":[73],"Driven":[74],"standard":[78],"recommendation,":[79],"we":[80,104,129,145],"investigate":[81],"NULL":[86],"constraints":[87],"under":[88],"simple":[89,119,162],"partial":[91,164],"semantics.":[92],"Partial":[93],"semantics":[94,120,165],"natively":[97,122],"supported":[98,123],"any":[100],"implementation":[102],"but":[103,128],"show":[105,130],"how":[106],"results":[108],"on":[109],"carry":[113],"over":[114],"into":[115],"this":[116,140,143],"context.":[117,141],"Interestingly,":[118],"every":[125],"implementation,":[127],"that":[131,160],"finitely":[137],"axiomatizable":[138,192],"Resolving":[142],"conundrum":[144],"establish":[146],"an":[147],"optimal":[148],"solution":[149],"identifying":[151],"desirable":[153],"class":[154],"not-null":[156],"(NNINDs)":[159],"subsumes":[161],"cases,":[168],"whose":[170,223],"associated":[171],"same":[176],"computational":[177],"properties":[178],"model.":[185],"That":[186],"is,":[187],"NNIND":[188,208],"2-ary":[191],"PSPACE-complete":[194],"to":[195],"decide.":[196],"Our":[197],"proof":[198],"techniques":[199],"bring":[200],"also":[201],"forward":[202],"a":[203],"chase":[204],"procedure":[205],"for":[206],"deciding":[207],"implication,":[209],"NP-hard":[211],"subclass":[212],"typed":[214],"acyclic":[215],"NNINDs,":[216],"tractable":[219],"subclasses":[220],"NNINDs":[222],"arity":[224],"bounded.":[226]},"counts_by_year":[{"year":2024,"cited_by_count":3},{"year":2023,"cited_by_count":2},{"year":2022,"cited_by_count":1},{"year":2021,"cited_by_count":1},{"year":2020,"cited_by_count":3},{"year":2018,"cited_by_count":3},{"year":2017,"cited_by_count":3},{"year":2016,"cited_by_count":6}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}
